此消息由firefox生成 .
跨源请求已阻止：同源策略不允许在http://localhost:56647/api/Events读取远程资源 . （原因：CORS预检 Channels 没有成功） .
<httpProtocol>
<customHeaders>
<add name="Access-Control-Allow-Origin" value="*" />
<add name="Access-Control-Allow-Headers" value="Content-Type" />
<add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />
</customHeader>
角质服务
addEvent(event:Event): Observable<Event> {
let headers = new Headers({'Content-Type':'application/son'});
return this.http.post('http://localhost:56647/api/Events',
JSON.stringify(event), { headers: headers })
.map((res: Response) => res.json());
}
POST CALL
addEvent( title : string ,postcode : string ,description : string){
this.newEvent = new Eventos(title, postcode, description, postcode,
description);
console.log(this.newEvent);
this.eventService.addEvent(this.newEvent).subscribe((newEvent) =>{
this.newEvent = newEvent;
},
(error) => {
this.statusMessage = 'Problem with the service';
console.log(error);
});
我已经在Web应用程序配置文件中启用了全局以下代码 . 然而，当做post post时，帖子没有到达web api应用程序 . 谢谢